One mole of Hydrogen contains __________ number of molecules.

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$6.023 \times 10^{23}$

$3.011 \times 10^{23}$

$4 \times 10^{23}$

$12.046 \times 10^{23}$

answer is A.

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Detailed Solution

To calculate the number of molecules in one mole of hydrogen, we can use Avogadro's number, which is approximately 6.022 x 10²³.
Number of molecules in one mole of hydrogen = Avogadro's number
= 6.022 x 10²³ molecules
Therefore, one mole of hydrogen contains 6.022 x 10²³ molecules.

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